PROBLEM: 
- new ASUS Nvidia card (GTX 750 TI);
- Ubuntu 14.04 LTS (temporary trial version access = "try new Ubuntu without install");
- access only to temporary Ubuntu trial version on 'nomodeset' from grub ('shift'+'e' on boot);
- only dotted screen visible without 'nomodeset' - similar to:
http://i.stack.imgur.com/gdUvs.jpg
http://i.imgur.com/gupkLDH.jpg
- (+ limited internet access).

QUESTION: 
How to install Nvidia drivers from temporary Ubuntu trial version?